libstdc++/5625: exception unwinding creates invalid pointer on mips

[echristo@gcc.gnu.org]

Synopsis: exception unwinding creates invalid pointer on mips

State-Changed-From-To: open->feedback
State-Changed-By: echristo
State-Changed-When: Tue Apr 23 12:20:23 2002
State-Changed-Why:
    As a note, while your point about sign extension is correct the documentation that you point me at also says that the result of the addiu is sign extended before being placed in the destination register. 

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=5625